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<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        class Person {
            constructor(name, age) {
                this.name = name
                this.age = age
            }
            fn() {
                console.log("fn")
            }
        }
        let zhangsan = new Person("zhangsan", 11)
        let lisi = new Person("lisi", 22)
        console.log(zhangsan, lisi)
        console.log(typeof Person)
    </script>
</body>

</html>